Islamabad (Agencies): Pakistan's Interior Minister Rehman Malik did not know that former President Pervez Musharraf was to be named in the list of accused in the Benazir Bhutto murder case and was taken aback when he saw the news on TV, a media report said.

Dawn reported that the Federal Investigation Agency's joint investigation panel, headed by police officer Khalid Qureshi, deliberately did not tell Malik and their agency chief, Waseem Ahmed, that they were going to put Musharraf's name in the list of accused to ensure that there was no political intrusion in the case.

"It is shocking for me, I don't know why they did not inform me? I might issue these officers show cause notices for doing this," Malik reportedly said.

Bhutto was killed on December 27 four years back, as she was leaving Liaquat Bagh in a motorcade after addressing an election rally in Rawalpindi, Islamabad's twin city and Pakistan's old capital in northern punjab.

A teenaged shooter was seen aiming for her head in the CCTV footage before a powerful suicide blast leading to death of at least 24 people participating in the rally.

The Interior Ministry at that time blamed the Taliban of hatching to kill Bhutto while the doctors said as she was standing in her vehicle "her head banged against the lever of the sunroof of her vehicle, which caused her death".

Advocate Chaudhry Azhar, known to be close to Malik, said Pervez Musharraf was not an accused.

Musharraf's name was included in the list of accused on Monday following a statement from former Rawalpindi city police chief Saud Aziz.

Aziz claimed that Musharraf had given the order to change Benazir's security in-charge adding that the murder scene was immediately washed on Musharraf's orders.

The former President ruled Pakistan for nine years after taking power in a bloodless coup in 1999. He stepped down in 2008 and left Pakistan. He now lives in London.